The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 2010
Filed:
Dec. 03, 2007
Applicants:
Hiroyuki Eda, Moriya, JP;
Kenji Kuroki, Toride, JP;
Hiroaki Tomiyasu, Toride, JP;
Takashi Fujimori, Moriya, JP;
Eiichi Motoyama, Tokyo, JP;
Inventors:
Hiroyuki Eda, Moriya, JP;
Kenji Kuroki, Toride, JP;
Hiroaki Tomiyasu, Toride, JP;
Takashi Fujimori, Moriya, JP;
Eiichi Motoyama, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming apparatus which is capable of performing a failsafe image forming operation even when a memory device of a replaceable unit mounted thereon is faulty. A controller of the image forming apparatus determines whether or not a memory tag of a toner cartridge is faulty. If the memory tag is determined to be faulty, the controller causes image adjustment to be executed.